[issue44219] Opening a file holds the GIL when it calls "isatty()"

[Vincent Michel]

Vincent Michel <vxgmichel at gmail.com> added the comment:

Here's a possible patch that fixes the 3 unprotected calls to `isatty` mentioned above. It successfully passes the test suite. I can submit a PR with this patch if necessary.

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keywords: +patch
Added file: https://bugs.python.org/file50270/bpo-44219.patch

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